fix: Test Case

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -2028,4 +2028,57 @@ def get_taxes_and_charges():
 	"parentfield": "taxes",
 	"rate": 2,
 	"row_id": 1
-   }]
+	}]
+
+def create_internal_customer(customer_name, represents_company, allowed_to_interact_with):
+	if not frappe.db.exists("Customer", customer_name):
+		customer = frappe.get_doc({
+			"customer_group": "_Test Customer Group",
+			"customer_name": customer_name,
+			"customer_type": "Individual",
+			"doctype": "Customer",
+			"territory": "_Test Territory",
+			"is_internal_customer": 1,
+			"represents_company": represents_company
+		})
+
+		customer.append("companies", {
+			"company": allowed_to_interact_with
+		})
+
+		customer.insert()
+		customer_name = customer.name
+	else:
+		customer_name = frappe.db.get_value("Customer", customer_name)
+
+	return customer_name
+
+def create_internal_supplier(supplier_name, represents_company, allowed_to_interact_with):
+	if not frappe.db.exists("Supplier", supplier_name):
+		supplier = frappe.get_doc({
+			"supplier_group": "_Test Supplier Group",
+			"supplier_name": supplier_name,
+			"doctype": "Supplier",
+			"is_internal_supplier": 1,
+			"represents_company": represents_company
+		})
+
+		supplier.append("companies", {
+			"company": allowed_to_interact_with
+		})
+
+		supplier.insert()
+		supplier_name = supplier.name
+	else:
+		supplier_name = frappe.db.exists("Supplier", supplier_name)
+
+	return supplier_name
+
+def add_taxes(doc):
+	doc.append('taxes', {
+		'account_head': '_Test Account Excise Duty - TCP1',
+		"charge_type": "On Net Total",
+		"cost_center": "Main - TCP1",
+		"description": "Excise Duty",
+		"rate": 12
+	})